Science Olympiad Miscellaneous Worksheet-3

Science Olympiad Miscellaneous Worksheet-3

1. How many teeth does an average human adult have?

(a) 31                  (b) 32                 (c) 33                  (d) 36

2. What is the pulse rate of an average healthy human being?

(a) 16 beats per minute               (b) 72 beats per minute

(c) 65 beats per minute               (d) 100 beats per minute

3. Which of the following are known as "aves"?

(a) Reptiles       (b) Mammals   (c) Birds             (d) Fish

4. What is the name given to the green pigment in plants?

(a) Chlorophyll                             (b) Stomata

(c) Tendrils                                    (d) Starch

5. Which of the following animals is not extinct?

(a) Brontosorus                            (b) Cheetah

(c) Dodo                                         (d) Mammoth

6. Quinine is obtained from the bark of which tree?

(a) Redwood                                  (b) Eucalyptus

(c) Banyan                                     (d) Cinchona

7. How is the age of a tree determined?

(a) By measuring its height

(b) By measuring its girth

(c) By counting the number of its branches

(d) By counting the annual rings in a cut trunk

8. Farmers can keep their soil fertile by

(a) Crop Rotation

(b) Repeatedly growing the same crop

(c) Irrigation

(d) Regular Tilling

9. What is quinine used for?

(a) Curing Aids                             (b) Curing Typhoid

(c) Curing Malaria                       (d) Removing pimples

10. Which of the following are known as "pisces"?

(a) Fish              (b) Reptiles       (c) Birds             (d) Mammals

11. What is formed after the flowers get pollinated?

(a) Fruits           (b) Leaves          (c) Thorns         (d) New Branches

12. Fish breathe through

(a) Fins              (b) Lungs           (c) Skin              (d) Gills

13. Which of the following plants are called Gramineae?

(a) Nuts              (b) Pulses          (c) Grasses        (d) Legumes

14. Bile is secreted by the

(a) Liver                                          (b) Stomach

(c) Gall Bladder                            (d) Lungs

15. Which of the following carry malarial parasite?

(a) Cockroaches                            (b) Bats

(c) Earthworms                            (d) Mosquitoes

16. Which of the following helps to keep body cool?

(a) Respiration                              (b) Mastication

(c) Perspiration                            (d) Urination

17. The growth of plants in the direction of light is known as:

(a) Phototropism                          (b) Hydrotropism

(c) Chemotropism                        (d) Thigmotropism

18. Which of the following is a parasite?

(a) Ringworm   (b) Zebra           (c) Pig                 (d) Wolf

19. Which food stuff turns into blue-black colour when brought in contact with iodine?

(a) Proteins                                    (b) Starch

(c) Vitamins                                   (d) Unsaturated Fatty Acids

20. Bird with the largest wing span is:

(a) Ostrich                                     (b) Eagle

(c) Pelican                                      (d) Wandering Albatross

Answer Key:

(1)-(b); (2)-(b); (3)-(c); (4)-(a); (5)-(b); (6)-(d); (7)-(d); (8)-(a); (9)-(c); (10)-(a); (11)-(a); (12)-(d); (13)-(c); (14)-(a); (15)-(d); (16)-(c); (17)-(a); (18)-(a); (19)-(b); (20)-(d)